National Museums Ireland
Howth Gun Running, 1914
Photograph, 26 July 1914
UCD History Hub
Arthur Griffith, Sinn Fein and the IRB (The Irish Revolution Lecture 3)
podcast, 2014
RTE Century Ireland
Introducing de Valera – The East Clare by-election and the rise of an Irish political leader
open_in_newarticle, 2017
Decade of Centenaries timeline
Ireland’s Solemn League and Covenant: Anti-conscription protest form
document, April 1918
